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-rw-r--r--llvm/lib/Support/Unix/Process.inc79
1 files changed, 38 insertions, 41 deletions
diff --git a/llvm/lib/Support/Unix/Process.inc b/llvm/lib/Support/Unix/Process.inc
index c1959b5cc2ae..2babf07944bf 100644
--- a/llvm/lib/Support/Unix/Process.inc
+++ b/llvm/lib/Support/Unix/Process.inc
@@ -15,6 +15,7 @@
#include "llvm/ADT/StringRef.h"
#include "llvm/Config/config.h"
#include <mutex>
+#include <optional>
#if HAVE_FCNTL_H
#include <fcntl.h>
#endif
@@ -40,10 +41,10 @@
#include <malloc/malloc.h>
#endif
#ifdef HAVE_SYS_IOCTL_H
-# include <sys/ioctl.h>
+#include <sys/ioctl.h>
#endif
#ifdef HAVE_TERMIOS_H
-# include <termios.h>
+#include <termios.h>
#endif
//===----------------------------------------------------------------------===//
@@ -54,14 +55,15 @@
using namespace llvm;
using namespace sys;
-static std::pair<std::chrono::microseconds, std::chrono::microseconds> getRUsageTimes() {
+static std::pair<std::chrono::microseconds, std::chrono::microseconds>
+getRUsageTimes() {
#if defined(HAVE_GETRUSAGE)
struct rusage RU;
::getrusage(RUSAGE_SELF, &RU);
- return { toDuration(RU.ru_utime), toDuration(RU.ru_stime) };
+ return {toDuration(RU.ru_utime), toDuration(RU.ru_stime)};
#else
#warning Cannot get usage times on this platform
- return { std::chrono::microseconds::zero(), std::chrono::microseconds::zero() };
+ return {std::chrono::microseconds::zero(), std::chrono::microseconds::zero()};
#endif
}
@@ -99,7 +101,7 @@ size_t Process::GetMallocUsage() {
#elif defined(HAVE_MALLOC_ZONE_STATISTICS) && defined(HAVE_MALLOC_MALLOC_H)
malloc_statistics_t Stats;
malloc_zone_statistics(malloc_default_zone(), &Stats);
- return Stats.size_in_use; // darwin
+ return Stats.size_in_use; // darwin
#elif defined(HAVE_MALLCTL)
size_t alloc, sz;
sz = sizeof(size_t);
@@ -109,9 +111,9 @@ size_t Process::GetMallocUsage() {
#elif defined(HAVE_SBRK)
// Note this is only an approximation and more closely resembles
// the value returned by mallinfo in the arena field.
- static char *StartOfMemory = reinterpret_cast<char*>(::sbrk(0));
- char *EndOfMemory = (char*)sbrk(0);
- if (EndOfMemory != ((char*)-1) && StartOfMemory != ((char*)-1))
+ static char *StartOfMemory = reinterpret_cast<char *>(::sbrk(0));
+ char *EndOfMemory = (char *)sbrk(0);
+ if (EndOfMemory != ((char *)-1) && StartOfMemory != ((char *)-1))
return EndOfMemory - StartOfMemory;
return 0;
#else
@@ -120,7 +122,8 @@ size_t Process::GetMallocUsage() {
#endif
}
-void Process::GetTimeUsage(TimePoint<> &elapsed, std::chrono::nanoseconds &user_time,
+void Process::GetTimeUsage(TimePoint<> &elapsed,
+ std::chrono::nanoseconds &user_time,
std::chrono::nanoseconds &sys_time) {
elapsed = std::chrono::system_clock::now();
std::tie(user_time, sys_time) = getRUsageTimes();
@@ -149,10 +152,9 @@ void Process::PreventCoreFiles() {
exception_port_t OriginalPorts[EXC_TYPES_COUNT];
exception_behavior_t OriginalBehaviors[EXC_TYPES_COUNT];
thread_state_flavor_t OriginalFlavors[EXC_TYPES_COUNT];
- kern_return_t err =
- task_get_exception_ports(mach_task_self(), EXC_MASK_ALL, OriginalMasks,
- &Count, OriginalPorts, OriginalBehaviors,
- OriginalFlavors);
+ kern_return_t err = task_get_exception_ports(
+ mach_task_self(), EXC_MASK_ALL, OriginalMasks, &Count, OriginalPorts,
+ OriginalBehaviors, OriginalFlavors);
if (err == KERN_SUCCESS) {
// replace each with MACH_PORT_NULL.
for (unsigned i = 0; i != Count; ++i)
@@ -163,20 +165,20 @@ void Process::PreventCoreFiles() {
// Disable crash reporting on Mac OS X 10.5
signal(SIGABRT, _exit);
- signal(SIGILL, _exit);
- signal(SIGFPE, _exit);
+ signal(SIGILL, _exit);
+ signal(SIGFPE, _exit);
signal(SIGSEGV, _exit);
- signal(SIGBUS, _exit);
+ signal(SIGBUS, _exit);
#endif
coreFilesPrevented = true;
}
-Optional<std::string> Process::GetEnv(StringRef Name) {
+std::optional<std::string> Process::GetEnv(StringRef Name) {
std::string NameStr = Name.str();
const char *Val = ::getenv(NameStr.c_str());
if (!Val)
- return None;
+ return std::nullopt;
return std::string(Val);
}
@@ -197,7 +199,7 @@ private:
int &FD;
bool KeepOpen;
};
-}
+} // namespace
std::error_code Process::FixupStandardFileDescriptors() {
int NullFD = -1;
@@ -239,7 +241,7 @@ std::error_code Process::SafelyCloseFileDescriptor(int FD) {
if (sigfillset(&FullSet) < 0 || sigfillset(&SavedSet) < 0)
return std::error_code(errno, std::generic_category());
- // Atomically swap our current signal mask with a full mask.
+ // Atomically swap our current signal mask with a full mask.
#if LLVM_ENABLE_THREADS
if (int EC = pthread_sigmask(SIG_SETMASK, &FullSet, &SavedSet))
return std::error_code(EC, std::generic_category());
@@ -329,15 +331,15 @@ extern "C" int tigetnum(char *capname);
bool checkTerminalEnvironmentForColors() {
if (const char *TermStr = std::getenv("TERM")) {
return StringSwitch<bool>(TermStr)
- .Case("ansi", true)
- .Case("cygwin", true)
- .Case("linux", true)
- .StartsWith("screen", true)
- .StartsWith("xterm", true)
- .StartsWith("vt100", true)
- .StartsWith("rxvt", true)
- .EndsWith("color", true)
- .Default(false);
+ .Case("ansi", true)
+ .Case("cygwin", true)
+ .Case("linux", true)
+ .StartsWith("screen", true)
+ .StartsWith("xterm", true)
+ .StartsWith("vt100", true)
+ .StartsWith("rxvt", true)
+ .EndsWith("color", true)
+ .Default(false);
}
return false;
@@ -370,7 +372,8 @@ static bool terminalHasColors(int fd) {
// The 'tigetnum' routine returns -2 or -1 on errors, and might return 0 if
// the terminfo says that no colors are supported.
int colors_ti = tigetnum(const_cast<char *>("colors"));
- bool HasColors = colors_ti >= 0 ? colors_ti : checkTerminalEnvironmentForColors();
+ bool HasColors =
+ colors_ti >= 0 ? colors_ti : checkTerminalEnvironmentForColors();
// Now extract the structure allocated by setupterm and free its memory
// through a really silly dance.
@@ -410,20 +413,14 @@ bool Process::ColorNeedsFlush() {
}
const char *Process::OutputColor(char code, bool bold, bool bg) {
- return colorcodes[bg?1:0][bold?1:0][code&7];
+ return colorcodes[bg ? 1 : 0][bold ? 1 : 0][code & 7];
}
-const char *Process::OutputBold(bool bg) {
- return "\033[1m";
-}
+const char *Process::OutputBold(bool bg) { return "\033[1m"; }
-const char *Process::OutputReverse() {
- return "\033[7m";
-}
+const char *Process::OutputReverse() { return "\033[7m"; }
-const char *Process::ResetColor() {
- return "\033[0m";
-}
+const char *Process::ResetColor() { return "\033[0m"; }
#if !HAVE_DECL_ARC4RANDOM
static unsigned GetRandomNumberSeed() {
generated by cgit v1.2.3 (git 2.25.1) at 2025-10-15 22:46:45 +0000